CA3057897A1 - Appareil et procede de determination d'une caracteristique predeterminee associee a un traitement de limitation de bande passante artificielle d'un signal audio - Google Patents

Appareil et procede de determination d'une caracteristique predeterminee associee a un traitement de limitation de bande passante artificielle d'un signal audio Download PDF

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Publication number
CA3057897A1
CA3057897A1 CA3057897A CA3057897A CA3057897A1 CA 3057897 A1 CA3057897 A1 CA 3057897A1 CA 3057897 A CA3057897 A CA 3057897A CA 3057897 A CA3057897 A CA 3057897A CA 3057897 A1 CA3057897 A1 CA 3057897A1
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Prior art keywords
frequency
audio signal
signal
spectrum
spectral
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CA3057897A
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CA3057897C (fr
Inventor
Patrick Gampp
Christian Uhle
Julia HAVENSTEIN
Oliver Hellmuth
Sascha Disch
Antonios KARAMPOURNIOTIS
Juergen Herre
Peter Prokein
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Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Havenstein Julia
Karampourniotis Antonios
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/69—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control

Abstract

L'invention concerne un appareil permettant de déterminer une caractéristique prédéterminée associée à un traitement de limitation de bande passante artificielle d'un signal audio, ledit appareil comprenant un dispositif d'évaluation de pente configuré pour évaluer une pente d'un spectre du signal audio afin d'obtenir un résultat d'évaluation de pente. L'appareil comprend : un dispositif d'évaluation de fréquence configuré pour évaluer une fréquence de coupure du spectre du signal audio afin d'obtenir un résultat d'évaluation de fréquence ; et un processeur permettant de fournir une information indiquant que le signal audio comprend la caractéristique prédéterminée en fonction d'une évaluation du résultat d'évaluation de pente et d'une évaluation du résultat d'évaluation de fréquence.
CA3057897A 2017-03-31 2018-03-29 Appareil et procede de determination d'une caracteristique predeterminee associee a un traitement de limitation de bande passante artificielle d'un signal audio Active CA3057897C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP17164360.4 2017-03-31
EP17164360 2017-03-31
EP17189992.5 2017-09-07
EP17189992.5A EP3382702A1 (fr) 2017-03-31 2017-09-07 Appareil et procédé permettant de déterminer une caractéristique prédéterminée liée à un traitement de limitation de bande passante artificielle d'un signal audio
PCT/EP2018/025081 WO2018177610A1 (fr) 2017-03-31 2018-03-29 Appareil et procédé de détermination d'une caractéristique prédéterminée associée à un traitement de limitation de bande passante artificielle d'un signal audio

Publications (2)

Publication Number Publication Date
CA3057897A1 true CA3057897A1 (fr) 2018-10-04
CA3057897C CA3057897C (fr) 2022-05-17

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CA3058353A Active CA3058353C (fr) 2017-03-31 2018-03-29 Appareil et procede de determination d'une caracteristique predeterminee associee a un traitement d'amelioration spectrale d'un signal audio
CA3057897A Active CA3057897C (fr) 2017-03-31 2018-03-29 Appareil et procede de determination d'une caracteristique predeterminee associee a un traitement de limitation de bande passante artificielle d'un signal audio
CA3057739A Pending CA3057739A1 (fr) 2017-03-31 2018-03-29 Appareil et procede de traitement d'un signal audio

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CA3058353A Active CA3058353C (fr) 2017-03-31 2018-03-29 Appareil et procede de determination d'une caracteristique predeterminee associee a un traitement d'amelioration spectrale d'un signal audio

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CA3057739A Pending CA3057739A1 (fr) 2017-03-31 2018-03-29 Appareil et procede de traitement d'un signal audio

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US (3) US20200020347A1 (fr)
EP (6) EP3382704A1 (fr)
JP (4) JP6968191B2 (fr)
KR (3) KR102517285B1 (fr)
CN (3) CN110870007B (fr)
AU (4) AU2018246838A1 (fr)
BR (3) BR112019020523A2 (fr)
CA (3) CA3058353C (fr)
ES (3) ES2933500T3 (fr)
MX (3) MX2019011519A (fr)
PL (3) PL3602553T3 (fr)
RU (3) RU2733533C1 (fr)
WO (3) WO2018177611A1 (fr)

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CN113299313B (zh) * 2021-01-28 2024-03-26 维沃移动通信有限公司 音频处理方法、装置及电子设备
CN115512711A (zh) * 2021-06-22 2022-12-23 腾讯科技（深圳）有限公司 语音编码、语音解码方法、装置、计算机设备和存储介质
CN114070679B (zh) * 2021-10-25 2023-05-23 中国电子科技集团公司第二十九研究所 一种面向脉冲智能分类的频相特征分析方法

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CA3057739A1 (fr) 2018-10-04
AU2021203677B2 (en) 2022-10-13
EP3602552A1 (fr) 2020-02-05
MX2019011515A (es) 2019-12-19
KR20190134708A (ko) 2019-12-04
EP3382703A1 (fr) 2018-10-03
US20200027474A1 (en) 2020-01-23
JP2022097514A (ja) 2022-06-30
KR20190134707A (ko) 2019-12-04
KR102426636B1 (ko) 2022-07-29
CA3058353C (fr) 2023-03-07
RU2733278C1 (ru) 2020-10-01
KR102563915B1 (ko) 2023-08-04
EP3602553B1 (fr) 2022-04-27
JP2020512593A (ja) 2020-04-23
BR112019020357A2 (pt) 2020-04-28
KR20190134709A (ko) 2019-12-04
AU2018246837B2 (en) 2020-12-24
MX2019011519A (es) 2019-12-19
MX2019011522A (es) 2019-12-19
RU2733533C1 (ru) 2020-10-05
AU2018246838A1 (en) 2019-10-24
BR112019020523A2 (pt) 2020-05-05
US11170794B2 (en) 2021-11-09
JP6968191B2 (ja) 2021-11-17
EP3602555B1 (fr) 2022-10-12
PL3602553T3 (pl) 2022-08-22
CN110870007B (zh) 2023-10-13
JP2020512591A (ja) 2020-04-23
WO2018177612A1 (fr) 2018-10-04
US20200020346A1 (en) 2020-01-16
ES2923098T3 (es) 2022-09-23
EP3382702A1 (fr) 2018-10-03
JP7059301B2 (ja) 2022-04-25
CN110914902A (zh) 2020-03-24
AU2018241963A1 (en) 2019-10-24
KR102517285B1 (ko) 2023-04-03
AU2018241963B2 (en) 2021-08-12
AU2021203677A1 (en) 2021-07-01
CN110832582B (zh) 2023-10-24
CN110832582A (zh) 2020-02-21
WO2018177611A1 (fr) 2018-10-04
PL3602552T3 (pl) 2022-11-21
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